Bug 577574 - Enable adaption of EquinoxBundle to its location fileY20220211-0800I20220210-1800

Change-Id: I55887d3233af7638100b8066f4964cc3ba0cca88
Signed-off-by: Hannes Wellmann <wellmann.hannes1@gmx.net>
Reviewed-on: https://git.eclipse.org/r/c/equinox/rt.equinox.framework/+/188490
Tested-by: Equinox Bot <equinox-bot@eclipse.org>
Reviewed-by: Thomas Watson <tjwatson@us.ibm.com>

3 files changed, 81 insertions, 0 deletions

diff --git a/bundles/org.eclipse.osgi.tests/src/org/eclipse/osgi/tests/bundles/BundleTests.java b/bundles/org.eclipse.osgi.tests/src/org/eclipse/osgi/tests/bundles/BundleTests.java
index 9fd972ea9..dfebc7ac4 100644
--- a/bundles/org.eclipse.osgi.tests/src/org/eclipse/osgi/tests/bundles/BundleTests.java
+++ b/bundles/org.eclipse.osgi.tests/src/org/eclipse/osgi/tests/bundles/BundleTests.java
@@ -26,6 +26,7 @@ import org.junit.runners.Suite;
 		PersistedBundleTests.class, //
 		CascadeConfigTests.class, //
 		DiscardBundleTests.class, //
+		EquinoxBundleAdaptTests.class, //
 		LoggingTests.class, //
 		BundleResourceTests.class, //
 		BundleInstallUpdateTests.class, //
diff --git a/bundles/org.eclipse.osgi.tests/src/org/eclipse/osgi/tests/bundles/EquinoxBundleAdaptTests.java b/bundles/org.eclipse.osgi.tests/src/org/eclipse/osgi/tests/bundles/EquinoxBundleAdaptTests.java
new file mode 100644
index 000000000..7cc19ef03
--- /dev/null
+++ b/bundles/org.eclipse.osgi.tests/src/org/eclipse/osgi/tests/bundles/EquinoxBundleAdaptTests.java
@@ -0,0 +1,76 @@
+/*******************************************************************************
+ * Copyright (c) 2022, 2022 Hannes Wellmann and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     Hannes Wellmann - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.osgi.tests.bundles;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import java.io.File;
+import java.net.URL;
+import java.security.Permission;
+import java.security.ProtectionDomain;
+import org.eclipse.core.runtime.FileLocator;
+import org.eclipse.osgi.container.Module;
+import org.eclipse.osgi.internal.framework.EquinoxBundle;
+import org.eclipse.osgi.signedcontent.SignedContent;
+import org.junit.Test;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.FrameworkUtil;
+
+public class EquinoxBundleAdaptTests extends AbstractBundleTests {
+
+	@Test
+	public void testAdapt_Module() throws Exception {
+		Bundle bundle = installer.installBundle("test");
+		Module module = bundle.adapt(org.eclipse.osgi.container.Module.class);
+		assertEquals(((EquinoxBundle) bundle).getModule(), module);
+	}
+
+	@Test
+	public void testAdapt_ProtectionDomain() throws Exception {
+		Bundle bundle = installer.installBundle("test");
+		SecurityManager previousSM = System.getSecurityManager();
+		try {
+			System.setSecurityManager(new SecurityManager() {
+				@Override
+				public void checkPermission(Permission perm) {
+					// Just permit everything
+				}
+			});
+			ProtectionDomain domain = bundle.adapt(java.security.ProtectionDomain.class);
+			assertNotNull(domain);
+		} finally {
+			System.setSecurityManager(previousSM);
+		}
+	}
+
+	@Test
+	public void testAdapt_SignedContent() throws Exception {
+		Bundle bundle = installer.installBundle("test");
+		SignedContent content = bundle.adapt(org.eclipse.osgi.signedcontent.SignedContent.class);
+		assertNotNull(content);
+	}
+
+	@Test
+	public void testAdapt_File() throws Exception {
+		URL testBundleURL = FrameworkUtil.getBundle(EquinoxBundleAdaptTests.class).getEntry(".");
+		File testBundleRoot = new File(FileLocator.toFileURL(testBundleURL).toURI()).getCanonicalFile();
+
+		Bundle bundle = installer.installBundle("test");
+
+		File file = bundle.adapt(java.io.File.class).getCanonicalFile();
+		assertEquals(new File(testBundleRoot, "bundle_tests"), file.getParentFile());
+		assertEquals("test", file.getName().replace(".jar", ""));
+	}
+}
diff --git a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/framework/EquinoxBundle.java b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/framework/EquinoxBundle.java
index 6f8e306e9..189cfe8d0 100644
--- a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/framework/EquinoxBundle.java
+++ b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/framework/EquinoxBundle.java
@@ -954,6 +954,10 @@ public class EquinoxBundle implements Bundle, BundleReference {
 		if (SignedContent.class.equals(adapterType)) {
 			return (A) getSignedContent();
 		}
+		if (File.class.equals(adapterType)) {
+			Generation current = (Generation) module.getCurrentRevision().getRevisionInfo();
+			return (A) current.getContent();
+		}
 		return null;
 	}